Rack



FIG. 1 is a front side elevational view, wherein the front and back (rear) views are identical;

FIG. 2 is a right side elevational view thereof, wherein both the right side and left side are identical;

FIG. 3 is a top plan view; and,

FIG. 4 is a perspective view.

The improved rack allows for more efficient, rigid, and faster construction and reduced manufacturing cost. 

The ornamental design for a rack, as shown and described. 